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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A296741 Expansion of e.g.f. arcsin(x*sec(x)) (odd powers only).

Table of values

n a(n)
0 1
1 4
2 64
3 2752
4 237312
5 34390016
6 7512117248
7 2302977392640
8 942529341030400
9 496287845973753856
10 326775812392982937600
11 263039306566659448242176
12 254121613033387345942937600
13 290175686081926976733941071872
14 386599796043915196967089006968832

List of values

[1, 4, 64, 2752, 237312, 34390016, 7512117248, 2302977392640, 942529341030400, 496287845973753856, 326775812392982937600, 263039306566659448242176, 254121613033387345942937600, 290175686081926976733941071872, 386599796043915196967089006968832]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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